package com.itheima.reggie.controller;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Employee;
import com.itheima.reggie.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;
import javax.servlet.http.HttpServletRequest;


@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {
  private EmployeeService employeeService;

  @Autowired
  public EmployeeController(EmployeeService employeeService) {
    this.employeeService = employeeService;
  }

  // 员工登录
  @PostMapping("/login")
  public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee) {
    // 将页面提交的密码进行md5加密处理
    String password = employee.getPassword();
    password = DigestUtils.md5DigestAsHex(password.getBytes());
    // 根据页面提交的用户名查询数据库
    LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
    queryWrapper.eq(Employee::getUsername, employee.getUsername());
    Employee emp = employeeService.getOne(queryWrapper);
    // 如果没有查询到返回登录失败
    if (emp == null) {
      return R.error("登陆失败");
    }
    if (!emp.getPassword().equals(password)) {
      return R.error("登陆失败");
    }
    // 如果Status为0，则返回已禁用
    if (emp.getStatus() == 0) {
      return R.error("账号已经禁用");
    }
    request.getSession().setAttribute("employee", emp.getId());
    return R.success(emp);
  }

  @PostMapping("/logout")
  public R<String> logout(HttpServletRequest request) {
    request.getSession().removeAttribute("employee");
    return R.success("退出成功");
  }

  @PostMapping
  public R<String> save(HttpServletRequest request, @RequestBody Employee employee) {
    log.info("新增员工，员工信息：{}", employee.toString());
    employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));
   // employee.setCreateTime(LocalDateTime.now());
   // employee.setUpdateTime(LocalDateTime.now());
   // Long empId = (Long) request.getSession().getAttribute("employee");
    //employee.setCreateUser(empId);
    //employee.setUpdateUser(empId);
    employeeService.save(employee);
    return R.success("新增员工成功 ");
  }

  @GetMapping("page")
  public R<Page> page(int page, int pageSize, String name) {
    log.info("page={},pageSize={},name={}", page, pageSize, name);
    Page pageInfo = new Page(page, pageSize);
    LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper();
    queryWrapper.like(StringUtils.isNotEmpty(name), Employee::getName, name);
    queryWrapper.orderByDesc(Employee::getUpdateTime);
    employeeService.page(pageInfo, queryWrapper);
    return R.success(pageInfo);
  }

  @PutMapping
  public R<String> update(HttpServletRequest request, @RequestBody Employee employee) {
    log.info(employee.toString());
    long id = Thread.currentThread().getId();
    log.info("线程id为：{}",id);
    //Long empId = (Long) request.getSession().getAttribute("employee");
    //employee.setUpdateTime(LocalDateTime.now());
   // employee.setUpdateUser(empId);

    employeeService.updateById(employee);
    return R.success("员工信息修改成功");
  }

  @GetMapping("/{id}")
  public R<Employee> getById(@PathVariable Long id) {
    log.info("根据id查询员工信息");
    Employee employee = employeeService.getById(id);
    if (employee != null) {
      return R.success(employee);
    }
    return R.error("没有查询到对应员工信息");
  }
}
